{  2 April 2011. Individual Olympiad. Problem set: http://neerc.ifmo.ru/school/io/archive/20110402/problems-20110402-individual.pdf
	Problem B
	Points: 100
}
var i,k,n:longint; s:string;
begin
reset(input,'rounding.in');
rewrite(output,'rounding.out');
readln(n);
readln(s);
k:=n-length(s)+pos('.',s);
write(1);
for i:=1 to k do write(0);
end.
